9th Grade Vocabulary Words - List 1
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| Word | Definition | Practice Sentence | Synonyms | Antonyms | Part of Speech Description |
|---|---|---|---|---|---|
| libel | A legal term referring to the act of making false and damaging statements about someone. | Donna was sued for libel after publishing false and damaging statements about her neighbor. | defamation, slander, calumny | truth, fact, validation | Noun |
| effect | Impact or consequence resulting from a cause or action. | The earthquake had a devastating effect on the local community. | result, outcome, impact | source, origin, beginning | Noun |
| notion | A concept or idea that is deeply ingrained in one's mind or belief system. | I have a notion that working out regularly will improve my overall health and wellbeing. | idea, concept, thought | fact, reality, certainty | Noun |
| comprehensive | Complete or covering all aspects or elements; inclusive of everything necessary or essential. | The comprehensive report provided a detailed analysis of the company's financial performance. | exhaustive, thorough, complete | incomplete, limited, inadequate | Adjective |
| formulate | To develop or create something by careful planning or thought. | I need to formulate a plan for my research project. | create, develop, shape | disperse, disrupt, dismantle | Verb |
| option | A possibility or alternative choice that can be selected or taken. | One option for dinner tonight is to order pizza. | alternative, possibility, selection | Noun | |
| harbinger | A person, thing, or event that signals or foreshadows the arrival or beginning of something significant or momentous. | The dark clouds are a harbinger of an approaching storm. | foretoken, forerunner, precursor | Noun | |
| demonstrate | To show or prove the truth, existence, or effectiveness of something through clear evidence or convincing examples. | I will demonstrate how to solve this math problem step-by-step. | illustrate, show, present | hide, conceal, obscure | Verb |
| liaison | A person who acts as a link or intermediary between two or more organizations, groups, or individuals. | I need to discuss the matter with the marketing liaison before making a final decision. | connection, link, intermediary | Noun | |
| lobotomy | A surgical procedure that involves the removal or severing of certain neural connections in the brain. | He underwent a lobotomy in an attempt to alleviate his severe psychiatric symptoms. | Noun | ||
| nexus | A connection or link between two or more things or individuals. | The full moon is often considered a nexus for werewolf activity. | connection, link, bond | disconnection, separation, distance | Noun |
| lampoon | A form of mocking or satirical work, typically in written or spoken form, intended to criticize or ridicule individuals, institutions, or societal norms. | He wrote a clever article to lampoon the pompous politician. | mock, ridicule, satirize | uphold, praise, laud | Verb |
| headstrong | Resolute, stubborn in adhering to one's own opinions or decisions. | She is known for being headstrong and refusing to listen to anyone else's advice. | determined, stubborn, willful | flexible, adaptable, compliant | Adjective |
| repertoire | A collection or stock of skills, abilities, or accomplishments possessed by a person or group. | Her repertoire of skills included singing, dancing, and acting. | collection, assortment, variety | lack, shortage, depletion | Noun |
| havoc | A state of widespread chaos or devastation, typically caused by extreme violence or disorder. | The hurricane wreaked havoc on the coastal town, causing extensive damage and destruction. | destruction, mayhem, chaos | order, peace, calm | Noun |
Take a look at other vocabulary lists for ninthgrade.
ninthgrade Vocabulary Lists